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Environmental friendliness, comfort, and safety are three key elements
called for in cars today.
In the last few years, SEKISUI has added comfort-enhancing features,
such as sound insulation and solar control, to traditional interlayer
films that originally increased the safety of glass. And now, the development
of S-LEC SSF (Sound and Solar Film) has at last given glass the functions
that contribute to all three of these main elements.
This revolutionary interlayer film, which achieves sound insulation
and solar control in a single layer, can for the first time offer quietness,
high fuel economy, and high impact safety in a single, laminated sheet
of glass
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S-LEC SSF is achieved by sandwiching a sound insulation resin layer
and a colored layer between PVB, and evenly distributing solar control
particles on that multi-layer structure.
Now technology from Sekisui allows particles to be distributed evenly
in a multi-layered, ultra-thin interlayer film. |
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As evident in the graph, S-LEC SSF effectively controls low-frequency
vibration energy from the engine and reduces the shrilling noise of
wind.
These figures show that audible noise is reduced to a third of its original
loudness. |
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Mid-infrared rays of 1,500 to 2,100 nm in wavelength result in a
burning sensation on the skin, and increase cabin temperature. S-LEC
SSF effectively cuts solar rays in this wavelength band. Controlling
the temperature rise translates into less air conditioner use, greatly
improving fuel economy.*
Radio waves across most frequency bands are not blocked, letting
through mobile phone and electronic toll collection (ETC) signals,
problem-free.
* Tests have shown that compact cars in a traffic jam that use air
conditioning can expect an increase in fuel economy of approximately
3%.Based on materials from an academic lecture given by the Society
of Automotive Engineers of Japan (jointly presented by Asahi Glass
and Mitsubishi Motors)
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